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NTA AbhyasNTA Abhyas 2020Biological Classification
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Solution:
According to R. H. Whittaker, five-kingdom classification all unicellular eukaryotes are placed in kingdom Protista which is divided into five classes.
Red tide: Red dinoflagellates like Gonyaulax, multiply fast and give red colour to the sea . These also produce toxins in large amounts which results in death of fishes.
Diatoms and golden algae are placed in Chrysophytes. They are microscopic and floats passively in water current.